定义函数countchar()按字母表顺序统计字符串中所有出现的字母的个数

countchar.py

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+'''
+Created on 2018年4月9日
+
+@author: lidawei
+'''
+def countchar(str):
+    charDict={}
+    for i in range(26):
+        charDict[chr(i+65)]=0
+    str=str.upper()
+    for x in str:
+        if ord('A')<=ord(x)<=ord('Z'):
+            charDict[x]+=1
+        else:
+            continue
+    return [charDict[chr(i+65)] for i in range(26)]    
+
+if __name__ == "__main__":
+        print(countchar(input()))
+